Potassium forms ions with a charge of +1 (k+). iodine forms ions with a charge of -1. selenium forms ions with a charge of -2 ( imagine that potassium ions and selenide ions combine to form potassium selenide. what numbers would be in the place of x and y in: kxsey (use the number 1 even if it isn't strictly necessary) x= y =
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Potassium forms ions with a charge of +1 (k+). iodine forms ions with a charge of -1. selenium forms...
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